---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-62816 6.8.0-146-generic #146-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 3 16:12:30 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.02 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.2G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 859 5023 4 2357 7082 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:48:1b:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83561sec preferred_lft 83561sec inet6 fe80::f816:3eff:fe48:1b07/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-62816) 10/08/26 _x86_64_ (2 CPU) 01:18:19 LINUX RESTART (2 CPU) 01:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:02 16.09 1.43 12.94 1.72 120.21 2318.95 647.49 01:40:02 1.54 0.01 1.52 0.01 0.05 27.43 0.05 01:50:02 1.57 0.01 1.57 0.00 0.20 29.21 0.00 02:00:02 1.91 0.00 1.89 0.02 0.00 36.68 0.23 Average: 5.28 0.36 4.48 0.44 30.15 603.81 162.15 01:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:02 5026536 7292428 467772 5.75 113164 2308116 825908 9.00 676972 2095520 168 01:40:02 5030860 7299856 460104 5.66 113336 2311064 826060 9.00 677708 2098624 332 01:50:02 5026324 7298928 461100 5.67 113456 2314536 804300 8.76 679680 2102232 240 02:00:02 5017288 7294452 465564 5.72 113612 2318944 804452 8.76 679848 2106732 296 Average: 5025252 7296416 463635 5.70 113392 2313165 815180 8.88 678552 2100777 259 01:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:02 lo 1.28 1.28 0.07 0.07 0.00 0.00 0.00 0.00 01:30:02 ens3 102.93 77.53 137.05 13.54 0.00 0.00 0.00 0.00 01:40:02 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:40:02 ens3 12.85 11.79 2.68 0.92 0.00 0.00 0.00 0.00 01:50:02 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:50:02 ens3 12.80 12.14 3.07 1.10 0.00 0.00 0.00 0.00 02:00:02 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 02:00:02 ens3 26.82 25.96 5.36 2.56 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 38.88 31.88 37.08 4.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-146-generic (prd-ubuntu2404-robot-2c-8g-62816) 10/08/26 _x86_64_ (2 CPU) 01:18:19 LINUX RESTART (2 CPU) 01:20:01 CPU %user %nice %system %iowait %steal %idle 01:30:02 all 8.40 0.00 1.68 0.34 0.01 89.57 01:30:02 0 8.39 0.00 1.64 0.36 0.01 89.59 01:30:02 1 8.40 0.00 1.73 0.31 0.01 89.55 01:40:02 all 1.09 0.00 0.31 0.01 0.01 98.59 01:40:02 0 0.77 0.00 0.30 0.00 0.01 98.92 01:40:02 1 1.41 0.00 0.31 0.02 0.01 98.25 01:50:02 all 1.31 0.00 0.33 0.01 0.01 98.34 01:50:02 0 0.67 0.00 0.33 0.01 0.01 98.98 01:50:02 1 1.95 0.00 0.33 0.02 0.01 97.69 02:00:02 all 1.18 0.00 0.49 0.01 0.01 98.32 02:00:02 0 1.12 0.00 0.44 0.02 0.00 98.42 02:00:02 1 1.23 0.00 0.53 0.01 0.01 98.22 Average: all 3.00 0.00 0.70 0.09 0.01 96.20 Average: 0 2.74 0.00 0.68 0.10 0.01 96.48 Average: 1 3.26 0.00 0.73 0.09 0.01 95.91